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人教版八年级英语下册《Could you please clean your room?》Section A PPT课件(第3课时),共22页。情景导入Act out the dialogue.Peter,Could you please…?Yes,sure./All right./No problem./Certainly./Sorry,I can't.I have to do…情态动词could的用法情态动词could构成的句型用于向对方委婉地提出请求或征求对方的许可。用于疑问句中,可代替can,在时间上与can没有区别,但语气要比can委婉、有礼貌。1. 委婉地请求别人做某事(提出请求)(1)句型:Could you do…? / Could you please do…?你能……吗? / 请问你能……吗?(2)肯定回答: Certainly./Of course./With pleasure./No problem./Yes, sure.否定回答: No, I can’t./Certainly not./No, I’m afraid I can’t.2. 委婉地请求别人允许自己做某事(征求许可)(1)句型:Could I do…?我可以做……吗?(2)肯定回答:Yes, you can./Certainly./Yes, sure.否定回答:No, you can’t./No, I’m afraid you can’t.问题探究【知识点拨】1.Could you please pass me the salt?你能递给我盐吗?pass 意为“传递”,可直接跟双宾语,“把某物传递给某人”的结构为pass sb.sth.,或pass sth.to sb.。类似此用法的词还有give,lend,bring。例句:I pass my father a cup of water.=I pass a cup of water to my father.我递给爸爸一杯水。2.Could I borrow that book?我可以借那本书吗?(1)borrow 意为“借”,“向某人借某物”的结构为borrow sth.from sb.。例句:I borrowed a bike from Tom.= I borrowed Tom a bike.昨天我向汤姆借了一辆自行车。(2)borrow的反义词是lend,意为“借给;借出”。“把某物借给某人”的结构为lend sb.sth.或lend sth.to sb.。例句:Mary lent her new dictionary to me.=Mary lent me her new dictionary.玛丽把她的新词典借给了我。... ... ...关键词:Could you please clean your room? PPT课件免费下载,.PPT格式; 本作品中主体文字及图片可替换修改,文字修改可直接点击文本框进行编辑,图片更改可选中图片后单击鼠标右键选择更换图片,也可根据自身需求增加和删除作品中的内容,源文件无水印。如认为该内容涉嫌侵权,可通过邮件提出书面通知,我们将及时处理。